Math Forum: Measurement: Metric Conversions (Adapt own version to have kg/g conversion too)
Metric Conversion One - LENGTH
Converting metric units of measurement anchor chart
Converting Units Anchor Posters Linear Measurement
Math Journal -- this blog is a must follow for memorable and interactive math ideas. Could use for 4th grade place value
Here's a nice help sheet for students on converting among metric units.
This is a game where students practice converting metric measurements. It is played with cards. ...
anchor chart for converting measurement